According to Microsoft, Azure Application Insights is an extensible application performance management (APM) service for web developers on the Microsoft platform. The service helps you monitor your live web applications, diagnose performance issues, and investigate crashes.
Azure Application Insights is available for web apps written in ASP.NET, .NET Core, Node.js, Java, or Python. You can also use it with any other type of web app by instrumenting the code yourself.
Application Insights monitors your app by sending telemetry data to the cloud where it's analyzed and stored. This data includes information about requests, dependencies, exceptions, and page views. You can use the portal to viewô-and analyze-this data to help you understand how your app is performing and identify problems so that you can fix them.